.collapsible {
    background-color: #eee;
    color: #444;
    cursor: pointer;
    padding: 18px;
    width: 100%;
    border: none;
    text-align: left;
    outline: none;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.toc-title {
    font-size: 20px;
}
.toc-list {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}
.collapsible:after {
    content: "\02795";
    font-size: 13px;
    color: #fff;
    float: right;
    margin-left: 5px;
}
.active:after {
    content: "\2796";
}
ul[class].toc,
ol[class].toc {
    background-color: #fafafa;
    padding: 20px 30px 20px 20px;
    margin: 0;
    list-style: none;
}
.toc li:not(:last-child) {
    margin-bottom: 5px;
}
.toc > li:not(:last-child) {
    margin-bottom: 16px;
}
.toc > li ul,
.toc > li ol {
    margin-top: 10px;
}
.atomic-simple-article-content span .toc-list ul li:before {
    display: none;
}